National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

John Glenn Columbus International Airport (KCMH)

Lat: 39.99°NLon: 82.88°WElev: 807ft.

Overcast

47°F

8°C

Humidity 74%
Wind Speed NE 20 G 32 mph
Barometer 29.73 in (1006.6 mb)
Dewpoint 39°F (4°C)
Visibility 10.00 mi
Wind Chill40°F (4°C)
Last update 22 Mar 9:51 pm EDT
Extended Forecast for

Johnstown OH

Severe T-storm Watch until March 23, 12:00am
Severe T-storm Warning March 22, 10:40pm until March 22, 11:15pm
Click here for hazard details and duration
Severe T-storm Watch
...
  •  
    Severe T-storm Watch until March 23, 12:00am
    Severe T-storm Warning March 22, 10:40pm until March 22, 11:15pm

    NOW: Multiple hazards in effect

    Click HERE for Details

  • Tonight

    Low: 33 °F

    T-storms

  • Monday

    Monday: Partly sunny, with a high near 44. North wind around 15 mph.

    High: 44 °F

    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 26. North wind 5 to 9 mph becoming east after midnight.

    Low: 26 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 51. South wind 3 to 6 mph.

    High: 51 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 34. Southeast wind 3 to 5 mph.

    Low: 34 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 61.

    High: 61 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: A chance of rain after 2am. Mostly cloudy, with a low around 48. Chance of precipitation is 30%.

    Low: 48 °F

    Mostly Cloudy
    then Chance
    Rain

  • Thursday

    Thursday: A chance of rain. Mostly cloudy, with a high near 69. Chance of precipitation is 40%.

    High: 69 °F

    Chance Rain

Detailed Forecast

Tonight
Showers and possibly a thunderstorm before 1am, then a chance of showers between 1am and 2am. Low around 33. North wind 14 to 16 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Monday
Partly sunny, with a high near 44. North wind around 15 mph.
Monday Night
Partly cloudy, with a low around 26. North wind 5 to 9 mph becoming east after midnight.
Tuesday
Mostly sunny, with a high near 51. South wind 3 to 6 mph.
Tuesday Night
Mostly cloudy, with a low around 34. Southeast wind 3 to 5 mph.
Wednesday
Partly sunny, with a high near 61.
Wednesday Night
A chance of rain after 2am. Mostly cloudy, with a low around 48. Chance of precipitation is 30%.
Thursday
A chance of rain. Mostly cloudy, with a high near 69. Chance of precipitation is 40%.
Thursday Night
Rain before 8pm, then rain and possibly a thunderstorm between 8pm and 2am, then a chance of rain after 2am. Low around 36. Chance of precipitation is 80%.
Friday
A chance of rain and snow before 2pm. Mostly cloudy, with a high near 42. Chance of precipitation is 30%.
Friday Night
Partly cloudy, with a low around 23.
Saturday
Sunny, with a high near 47.
Saturday Night
Mostly clear, with a low around 30.
Sunday
Mostly sunny, with a high near 57.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Johnstown OH
 40.16°N 82.69°W (Elev. 1112 ft)
Last Update:
5:46 pm EDT Mar 22, 2026
Forecast Valid:
10pm EDT Mar 22, 2026-6pm EDT Mar 29, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation